GeForce 8600 GT 1GB GDDR3 vs GeForce GTX 465

Intro

Compare those specs to the GeForce GTX 465, which uses a 40 nm design. nVidia has clocked the core frequency at 607 MHz. The GDDR5 memory works at a speed of 802 MHz on this model. It features 352 SPUs along with 44 Texture Address Units and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 1GB GDDR3		47 Watts
GeForce GTX 465		200 Watts
	Difference: 153 Watts (326%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 465 should in theory be a lot better than the GeForce 8600 GT 1GB GDDR3 in general. (explain)

GeForce GTX 465		102592 MB/sec
GeForce 8600 GT 1GB GDDR3		22400 MB/sec
	Difference: 80192 (358%)

Texel Rate

The GeForce GTX 465 will be much (about 209%) better at AF than the GeForce 8600 GT 1GB GDDR3. (explain)

GeForce GTX 465		26708 Mtexels/sec
GeForce 8600 GT 1GB GDDR3		8640 Mtexels/sec
	Difference: 18068 (209%)

Pixel Rate

The GeForce GTX 465 will be quite a bit (approximately 350%) more effective at anti-aliasing than the GeForce 8600 GT 1GB GDDR3, and also should be capable of handling higher screen resolutions better. (explain)

GeForce GTX 465		19424 Mpixels/sec
GeForce 8600 GT 1GB GDDR3		4320 Mpixels/sec
	Difference: 15104 (350%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

Specifications

Memory Bandwidth: Bandwidth is the largest amount of data (measured in megabytes per second) that can be transported across the external memory interface in a second. The number is worked out by multiplying the bus width by the speed of its memory. In the case of DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This number is calculated by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.